These are all symptoms of "vapor lock". High under-hood temperatures can boil your fuel and the resulting bubbles and vapor in your fuel lines, fuel pump and carb float bowl will stall the flow of fuel to your engine. The use of carburetor spacers, fuel line insulation, new higher flow water pumps, and new fan belts can all help in your battle against vapor lock. Is your flathead running rough, hesitating, stalling, failing to start?
Carburetor Spacers
1/2"
HR-9444-SP
HR-9445-SP
1933-51 CARBURETOR INSULATOR SPACER
Fuel resistant 1/4" thick carburetor spacers. Made of a modern heat resistant plastic composite sandwiched between 2 layers of aluminum. Keeps carburetor cool to improve engine performance and prevent vapor lock. HR-9445-SP 1933-38 fits Stromberg 3-bolt carburetor HR-9444-SP 1938-51 fits Holley-Ford 3-bolt carburetor $25.00 each
1933-38 Car & Pickup HR-9447-A
1/2"
1938-51 Car & Pickup HR-9447-B
Rising engine heat
1933-51 PHENOLIC CARBURETOR SPACER KIT
1933-51 CARBURETOR SPACER & HEAT SHIELD
These " thick, fuel-resistant phenolic spacers will help keep your carburetor cool and prevent vapor lock. Kits include: 1 spacer, 2 gaskets and 3 studs. HR-9447-A 1933-38 Car & Pickup fits Stromberg 3 Bolt Carburetor HR-9447-B 1938-51 Car & Pickup fits Holley-Ford 3 bolt Carburetor $25.00 kit
Fuel-resistant 1/4" thick spacer and heat shield. This unique spacer includes a projecting heat shield that protects the carburetor’s float bowl from engine heat. HR-9446-SP fits Holley-Ford or Stromberg 3 bolt carburetors $35.00 each
Universal FUEL LINE HEAT SHIELD
Radiant heat shield material with Velcro closure. Wraps around the fuel line to insulate from engine heat. Can be cut to fit. Helps prevent vapor lock and improve engine performance. Rated to 1,100° F. Includes 2 ties for end closure. HR-9369-CVA $15.00 each
Rising engine heat
Fuel Pump to Carb Gas Line, Gas Tank to Fuel Pump Line, Any Fuel Line Exposed to Engine Heat
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